Jeffrey Liker and Mike Rother, two of the lean ‘gurus’ cite an Industry Week survey that showed 98% of lean programmes failed.

They proposed a solution: ‘improvement kata’: ‘teaching a standardised conscious means of grasping the essence of situations and responding scientifically by working iteratively’.

But they missed the essential point of what Ohno did and how he taught.

You can read Liker and Rother here.